電弧法過程 的英文怎麼說
中文拼音 [diànhúfǎguòchéng]
電弧法過程
英文
electrical arc process- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 弧 : 名詞1. [數學] (圓周的任意一段) arc2. (古代指弓) bow
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 過 : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 過程 : process; procedure; transversion; plication; course
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Specifically for the iron and steel industry during the past 15 years, thermo electron has installed over 100 mass spectrometers for gas analysis applications involving the following plants : coke ovens, blast furnace ( bf ), direct reduction iron ( dri ), basic oxygen furnace ( bof ), electric arc furnace ( eaf ), argon oxygen decarburization ( aod ) furnace, vacuum oxygen decarburization vod furnace and ruhrstahl - hausen ( rh ) furnace
尤其在過去15年的鋼鐵行業中,超過100臺過程質譜儀用於氣體分析,包含:焦爐,高爐,直接還原煉鐵爐,氧氣頂吹轉爐,電弧爐,氬氧脫碳轉爐,真空氧氣脫碳爐和循環法真空脫碳爐。Abstract : this article analyzes the reason and influence of magnetic blow on welding arc during the welding process. through the adjusting and improving of the magnetic field distribution, adopting the anti - magnetic erasing method to eliminate the influence of magnetic blow for welding arc
文摘:分析了磁偏吹在焊接過程中對焊接電弧的影響以及產生原因,通過調整和改善焊接電弧周圍磁場分佈,並採用反消磁法,克服和消除了磁偏吹對焊接電弧的影響。Abstract : the image of arc zone of flux - cored underwater wet welding was developed with underwater ccd camera system and composed filter technology. the discussion is mainly focused on the theory of edge detection. an image edge detection method based on median filter and grads algorithm was developed to detect the arc burning zone and arc bubble zone efficiently, which laid the foundation for further analysis of underwater wet welding arc mechanism and process control
文摘:通過復合濾光技術和水下ccd攝像系統,採集出了藥芯焊絲水下濕法焊接電弧區域圖像,重點論述了邊緣檢測理論,確定了基於中值濾波和梯度運算元的電弧區域圖像邊緣檢測方法,有效地區分了電弧燃燒區域和電弧氣泡區域,從而為水下濕法焊接電弧的機理分析及水下焊接過程式控制制奠定了基礎。The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen
對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬,所採用的方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備,如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參數,通過實驗發現氬比氮工作更穩定Associated tightly with the stokes measured in small capacity current breaking and short - circuit breaking test duty t100a ( short arc, middle arc and long arc ), the electric field distributions 3 ms after current zero have been calculated. the cold gas flow field corresponding with small capacity current breaking is calculated. based on the results derived from one - dimensioned gas flow field simulation, the two - dimensioned gas flow fields corresponding with short - circuit breaking test duty t100a ( short arc and middle arc ) are calculated as well
本文採用與試驗緊密結合的方法,在給定機械行程曲線的基礎上對三峽工程中採用的550kvsf6斷路器在開斷小電容電流、短路開斷方式5短、中、長燃弧電流過零后3ms內滅弧室二維靜電場分佈進行了分析計算;對該斷路器開斷小電容電流時近似的冷態場進行了二維模擬分析計算;在對短路開斷方式5短、中、長燃弧一維氣流場進行分析計算的基礎上進一步採用一維氣流場和二維氣流場相結合的方法,對該斷路器開斷方式5短燃弧和中燃弧對應的二維熱態場進行了分析計算。In this paper, associated with the key problem of 550kv sf6 high voltage circuit breaker which is used in gis of three gorges project, the mathematical models of static electrical field and one - dimensioned and two - dimensioned gas flow field during the overall breaking process in arc chamber of circuit breaker are developed. on the basis of gas discharge theory, the criteria to judge the interruption success is determined. through the combination of one - dimensioned and two - dimensioned gas flow field software, the problem that the primary two - dimensioned gas flow field software ca n ' t calculate the hot gas flow field has been effectively solved
本文結合長江三峽550kvgis中sf6斷路器的科技攻關項目,建立了斷路器開斷過程中滅弧室內靜電場、一維氣流場、二維氣流場的數學模型;根據氣體放電的基礎理論選定了衡量斷路器能否成功開斷的標準,並通過一維和二維氣流場的有機結合,有效地解決了原二維氣流場計算軟體無法計算有載開斷的難題,具有較強的工程實用性。And this paper structures the emulation model of 10kv transformer substation by utilizing matlab toolbox, emulations the fault course when single - phase ground fault occurs in the small current earth system. and validates the validity of the " gradual identifying law "
並利用matlab工具箱構建10kv變電站模擬模型,對中性點不接地和經消弧線圈接地系統在不同故障情況下的故障過程進行了模擬,進而驗證了「遞進信息法」的正確性。分享友人